Home / 87,102,000.40-130,653,000.60-26,509,853.20

Finding the Fourth Proportional to 87,102,000.40, 130,653,000.60 and 26,509,853.20

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Solution

The fourth proportional to 87,102,000.40, 130,653,000.60 and 26,509,853.20 is: 39,764,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,102,000.40 : 130,653,000.60 = 26,509,853.20 : x
  2. Step 2: Convert to fraction form
    87,102,000.40/130,653,000.60 = 26,509,853.20/x
  3. Step 3: Cross multiply
    87,102,000.40x = 130,653,000.60 × 26,509,853.20
  4. Step 4: Simplify right side
    87,102,000.40x = 3,463,591,866,045,511.50
  5. Step 5: Solve for x
    x = 3,463,591,866,045,511.50/87,102,000.40
  6. Step 6: Final answer
    x = 39,764,779.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.